Other Income (Details) $ in Thousands	12 Months Ended
	Jan. 02, 2022 USD ($) restaurant	Jan. 03, 2021 USD ($) restaurant transaction	Dec. 29, 2019 USD ($) restaurant	Dec. 30, 2018 USD ($)	Oct. 03, 2021	Jul. 04, 2021	Apr. 04, 2021	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020
Other Income and Expenses [Abstract]
Other Operating Income (Expense), Net	$ 1,186	$ 1,271	$ 1,911
Proceeds from Legal Settlements			(1,900)
Sale and Leaseback Transaction, Gain (Loss), Net	22	(189)	(600)	$ (636)
Property, Plant and Equipment, Disposals	$ 1,200	$ 1,000	800
Number of Restaurants	1,091	1,074			1,092	1,092	1,075	1,088	1,092	1,093
Gain on insurance recoveries		$ (2,100)	$ (200)
Number Of Restaurants Subject To Insurance Recovery | restaurant	2	4	2
Number Of Sale-leaseback Transactions In Gain Position | transaction		12
Other Income	$ (1,300)
Gain on Sale of Litigation Claim	$ (1,100)